User’s Manual
ENGLISH
For Digital Video Camera
GR-DVM55, GR-DVM75, GR-DVX44, GR-DVX48,
GR-DVX49, GR-DVX77, GR-DVX78, GR-DVX88
WMRa-DrV7in5Ue Case
Names of the parts
Front glass
Mounting method and operating method
for each part
3
2
1
Grip strap
1 Tighten the camcorder’s grip strap.
6 5
2 Remove the four buckles on the marine
case and open the front lid.
3
9
3 Align the Power Lever with the “OFF”
mark on the marine case.
POWER
OFF
4 Set the camcorder’s Power Switch to
“OFF”, then open the LCD monitor
and insert the camera into the
marine case.
ZOOM
ON
START/STOP
SNAP SHOT
4
Place the included anti-fogging
Bottom
view
silica gel in the gap between the
camcorder and the marine case to
prevent fogging in the marine case.
• When inserting the camera, make sure that the position of the
grip pad’s metal part is straight.
Metal part
7 8
1 Marine case front lid
2 Main unit
3 Buckle
4 Grip attachment holes
5 Power lever
6 Recording start/stop button (START/STOP)
7 Zoom lever (ZOOM)
8 Snapshot button (SNAP SHOT)
9 Grip strap
• If the camcorder’s Operation Switch is set to “ ”, perform
settings as required then insert the camcorder into the marine
case.
Fit the Zoom Lever projection
5 Fit the Zoom Lever projection on the
over the Power Zoom Lever
Strap
marine case over the outer groove of
the Power Zoom Lever on the
camcorder, making sure that it is
securely fit.
POWER
OFF
ON
If the camcorder’s Power Switch
is not set properly when the
camcorder is placed in the marine
case, it could break and/or it could
damage the Power Lever aligning
boss on the marine case.
Before use, this unit must be pre-tested
to check if there is any water leakage.
Projection
Power Zoom
Lever
6 Before sealing the marine case, check that
there is no sand, dirt, or other foreign
matter on the O-ring mounted on the front
lid or on the O-ring contact surface on the
main unit.
Please read before use.
This marine case is a precision instrument designed to permit safe
video recording under high water pressure. Please pay careful
attention when handling the unit before and after use, as explained
in this user’s manual.
Each part of the marine case has been subject to strict controls
during the manufacturing process, and the individual functions
have faced stringent tests during the assembly process. Each marine
case has also had to pass water-proof inspections using high-
pressure water testers. However, damage can sometimes occur
during transport and distribution, or during storage after purchase,
so before diving always carry out the following pre-use test to
verify safety.
Also make sure that the inserted silica gel
bag is not pinched. If you dive with foreign
matter trapped in these areas, water will
leak.
POWER
OFF
7 Check that the O-ring on the front lid is
correctly mounted in the groove, then press
in the front lid. Flip down the four buckles
in the directions indicated by the arrows in
the figure on the right to seal the marine
case.
ZOOM
ON
START/STOP
SNAP SHOT
8 Turn the marine case’s Power Lever in the
direction of the arrow to set the
POWER
OFF
Pre-use test
camcorder’s Power Switch to “ ” or “ ”.
• The camcorder’s Power Lamp lights.
ZOOM
ON
Be sure to perform the following pre-use test before diving.
START/STOP
1. Before mounting the camcorder inside the marine case, dive
with only the empty marine case and test for water leaks.
• You can easily check for water leaks at a depth of 1 m, where
there is no water pressure. Be sure to perform this test to
ensure the safety of your camcorder.
9 To start video recording, press the
SNAP SHOT
Recording Start/Stop Button.
To stop video recording, press it again.
• Press the Snapshot Button to perform
Snapshot recording.
Snapshot
button
Recording
start/stop
button
0 The zoom can be adjusted with the Zoom
2. The following are some common causes of water leaks:
A. The marine case is used without attaching the O-ring.
B. The O-ring is not mounted in the correct position.
C. The O-ring is damaged or deformed.
D. There is sand, dirt, hair or other foreign matter on the O-ring.
E. There is sand, dirt, hair or other foreign matter on the contact
surface of the O-ring or on the inside of the lid.
F. The provided strap or silica gel bag is pinched inside the
marine case when the lid is closed.
To protect your camcorder and ensure optimum use, keep the
examples listed above in mind when using the marine case.
Lever.
POWER
OFF
• Telephoto : turn the lever to the left (
• Wide angle : turn the lever to the right
)
ON
ZOOM
(
)
START/STOP
SNAP SHOT
! When you are finished shooting, set the
marine case’s Power Lever to “OFF” (in the
direction of the arrow) to set the camcorder’s
Power Switch to “OFF”.
• The camcorder’s Power Lamp goes out.
N O TES:
Ⅲ The O-ring is made from rubber and is mounted on
the front lid.
JVC accepts no responsibility for water leakage or damage to
anything inside the marine case (camcorder, cassette, etc.) due to
careless usage of this product. Be sure to follow correct procedures
when using the marine case.
O-ring
Ⅲ Refer to the camcorder’s instructions for more
information.
LYT0800-001A
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